Amprobe AM-250 User Manual
AM-250
Digital Multimeter
Users Manual
• Mode d’emploi
• Bedienungshandbuch
• Manual d’Uso
• Manual de uso
1
AM-250
Digital Multimeter
Users Manual
June 2010, Rev.2
©2010 Amprobe Test Tools.
All rights reserved. Printed in Taiwan
English
Limited Warranty and Limitation of Liability
Your Amprobe product will be free from defects in material and workmanship for 1
year from the date of purchase. This warranty does not cover fuses, disposable batteries
or damage from accident, neglect, misuse, alteration, contamination, or abnormal
conditions of operation or handling. Resellers are not authorized to extend any other
warranty on Amprobe’s behalf. To obtain service during the warranty period, return the
product with proof of purchase to an authorized Amprobe Test Tools Service Center or
to an Amprobe dealer or distributor. See Repair Section for details. THIS WARRANTY
IS YOUR ONLY REMEDY. ALL OTHER WARRANTIES - WHETHER EXPRESS, IMPLIED OR
STAUTORY - INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE
OR MERCHANTABILITY, ARE HEREBY DISCLAIMED. MANUFACTURER SHALL NOT BE LIABLE
FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES,
ARISING FROM ANY CAUSE OR THEORY. Since some states or countries do not allow the
exclusion or limitation of an implied warranty or of incidental or consequential damages,
this limitation of liability may not apply to you.
Repair
All test tools returned for warranty or non-warranty repair or for calibration should be
accompanied by the following: your name, company’s name, address, telephone number,
and proof of purchase. Additionally, please include a brief description of the problem or
the service requested and include the test leads with the meter. Non-warranty repair or
replacement charges should be remitted in the form of a check, a money order, credit
card with expiration date, or a purchase order made payable to Amprobe® Test Tools.
In-Warranty Repairs and Replacement – All Countries
Please read the warranty statement and check your battery before requesting repair.
During the warranty period any defective test tool can be returned to your Amprobe®
Test Tools distributor for an exchange for the same or like product. Please check the
“Where to Buy” section on www.amprobe.com for a list of distributors near you.
Additionally, in the United States and Canada In-Warranty repair and replacement units
can also be sent to a Amprobe® Test Tools Service Center (see next page for address).
Non-Warranty Repairs and Replacement – US and Canada
Non-warranty repairs in the United States and Canada should be sent to a Amprobe® Test
Tools Service Center. Call Amprobe® Test Tools or inquire at your point of purchase for
current repair and replacement rates.
In USA In Canada
Amprobe Test Tools Amprobe Test Tools
Everett, WA 98203 Mississauga, ON L4Z 1X9
Tel: 888-993-5853 Tel: 905-890-7600
Fax: 425-446-6390 Fax: 905-890-6866
Non-Warranty Repairs and Replacement – Europe
European non-warranty units can be replaced by your Amprobe® Test Tools distributor
for a nominal charge. Please check the “Where to Buy” section on www.amprobe.com for
a list of distributors near you.
Amprobe® Test Tools Europe
In den Engematten 14
79286 Glottertal, Germany
tel: +49 (0) 7684 8009 - 0
*(Correspondence only – no repair or replacement available from this address. European
customers please contact your distributor.)customers please contact your distributor.)
AM-250 Digital Multimeter
3-3/4 digits 4000 counts LCD display
1
Push-buttons for special functions & features
2
Selector to turn the Power On or Off and select a function
3
Input Jack (+) for 10A (20A for 30sec) current function
4
Input Jack (+) for all functions EXCEPT current (µA, mA, A) function
5
Common (Ground reference) Input Jack (-) for all functions
6
Input Jack (+) for milli-amp and micro-amp functions
7
CONTENTS
SYMBOLS ...............................................................................................................1
UNPACKING AND INSPECTION .............................................................................2
INTRODUCTION .....................................................................................................2
OPERATION ............................................................................................................2
Resistance, and Continuity functions ...........................................................3
Diode test,Capacitance functions ....................................................................4
µA, mA, and A Current functions ...................................................................5
Beep-Jack™ Input Warning ..............................................................................5
Temperature function .......................................................................................6
Relative zero mode ..........................................................................................6
Backlighted display ...........................................................................................6
Manual or Auto-ranging ..................................................................................7
HOLD .................................................................................................................7
MAX ...................................................................................................................7
Sleep Mode .......................................................................................................7
SPECIFICATION .......................................................................................................7
MAINTENANCE AND REPAIR ................................................................................13
Trouble shooting ...............................................................................................13
Battery replacement .........................................................................................14
Fuse replacement .............................................................................................14
SYMBOLS
Battery
Double Insulated
Alternating Current
Direct Current
Complies with EU directives
Do not dispose of this
product as unsorted
municipal waste
Audible tone
Warning and Percautions
•
Do not operate the meter in explosive gas (material),combustible
gas(material) steam or filled with dust.
•
To reduce the risk of fire or electric shock, do not expose this product to
rain or moisture.
•
To avoid electrical shock hazard, observe the proper safety precautions
when working with voltages above 60 VDC or 30 VAC rms.
•
These voltage levels pose a potential shock hazard to the user.
Do not touch test lead tips or the circuit being tested while power is
•
applied to the circuit being measured.
•
Keep your fingers behind the finger guards of the test leads during
measurement.
•
Inspect test leads, connectors, and probes for damaged insulation or
exposed metal before using the instrument.
•
If any defects are found, replace them immediately.
Do not measure any current that exceeds the current rating of the
•
protection fuse.
•
Do not attempt a current measurement to any circuit where the open
circuit voltage is above the protection fuse voltage rating. S
•
uspected open circuit voltage should be checked with voltage functions.
Never attempt a voltage measurement with the test lead inserted into the
µA/mA or A input jack.
•
Only replace the blown fuse with the proper rating as specified in this
manual.
•
Disconnect the test leads from the test points before changing functions.
Always set the instrument to the highest range and work downward for
an unknown value when using manual ranging mode.
To avoid electrical shock, disconnect the meter from any circuit, remove
•
the test leads from the input jacks and turn OFF the meter before opening
the case. Do not operate with open case.
1
Refer to the manual
Dangerous Voltage
Earth Ground
Fuse
Conform to relevant
Australian standards
Underwriters
Laboratories.
[Note: Canadian and US.]
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